Right-click only part1.rar using a tool like WinRAR or 7-Zip .
Select "Extract Here." The software will automatically pull data from the other parts to create a single .nsp (Nintendo Submission Package) file. 2. Prepare the File for Switch
Launch an app like DBI , Tinfoil , or Awoo Installer from your Homebrew menu. GTAVC-(USA)-NSwTcH-NSP-Update107-Ziperto.part1.rar
Once finished, the game icon on your home screen should reflect the new version (1.0.7) in the "Options" menu. ⚠️ Important Requirements
Connect your Switch microSD card to your PC or use a USB transfer tool like DBI or Tinfoil . Right-click only part1
If moving manually, place the .nsp file in a folder you can easily find, such as a folder named Install on the root of your SD card. 3. Install the Update
Multi-part files (like .part1.rar , .part2.rar ) must be joined during extraction. Prepare the File for Switch Launch an app
Ensure your custom firmware has the latest Sigpatches installed, or the game may fail to launch with a "corrupt data" error after the update.